3P Overflow Siphon duo

Artikel No. 4000200

Installation errors will be avoided because of the fix height displacement in the overflow siphon therefore securing the function. Overflow siphon with a bilateral suction of the surface water inside the rainwater tank. No getting through of rodents. A connection fitting for the supporting tube is available.

Dirt particles which are lighter than water (e. g. pollen) ascent and are swimming on the water surface. This swimming layer is removed through the special firmed overflow siphon when the tank is overflowed.

Connection fitting DN 50 for using a HT-tube as supporting tube. Is supported by the wall of the rainwater tank. The overflow siphon is filled with water (trap). If the tank has a low water level, the support will help to keep the overflow siphon in the right position.

Regular overflow is essential for optimum water quality so that the water in the tank remains fresh. The swimming layer could close the water surface in a way that a anaerobic decomposition would take place.